You may say 'denki.'
Light.
Hikari 光pronounced "hikari"
It means "light" (the shining kind, not as an adjective to mean the opposite of "heavy.")
星影 【ほしかげ】 hoshi raito. hoshi means star and raito means light.-----------------Hoshiakari.Raito is the Japanese pronunciation of the English word "Light" while it could be used it wouldn't normally be.
光線 /kou sen/ : ray of light, beam ビーム /bii mu/ : Japanese spelling of same word, commonly used.
"Light blue" is an English equivalent of the French phrase bleu clair. The pronunciation of the masculine singular adjective will be "bluh klehr" in French.
Hokage directly translated means "Firelight" or "Shadows (forms) moving in firelight". Basically, it means "the light from a fire" or "shadows casted by the light from a fire".
The phrase "light prince" can be translated into Japanese as "光の王子" (Hikari no Ōji). Here, "光" (Hikari) means "light," and "王子" (Ōji) means "prince." The "の" (no) is a particle indicating possession, so it literally translates to "prince of light."
The word by word translation is:kamu: youmenyalakan: lighthidupku: my lifeitulah: that iskebenaran: truthSo the phrase would translate to: You light my life, that is the truth.
William Light.
"House of light" is an English equivalent of Casa della luce. The feminine singular prepositional phrase translates literally as "house of the light." The pronunciation will be "KA-sa DEL-la LOO-tchey" in Italian.
Luce spirituale is a literal Italian equivalent of the English phrase "spiritual light." The pronunciation of the feminine singular noun and the feminine/masculine singular adjective -- which translates literally as "light spiritual" -- will be "LOO-tchey SPEE-ree-TWA-ley" in Italian.